Qingdao Hi-Duratight Co.,Ltd.

The exothermic welding mold is made of high purity graphite and is used to form the welding head for ground exothermic welding. A complete mold is composed of mold concrete, top cover and hinge.

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Graphite digester performs heat conduction through graphite blocks to generate high temperature for the digestion of samples into the digester tube. Users can customize the required temperature, and the instrument will automatically heat the temperature evenly to the temperature and then continue to heat the sample at constant temperature.

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Duratight supplied Graphite/Carbon-carbon parts to Glass and Quartz industry for many years

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Duratight belongs to the earliest manufactures with involvement in Bipolar Plate R & D and productions, Years of experience in this field have enabled us to provide our customers with the best value-for-money delivery solution.

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Duratight brand graphite strip and guideway is made of high quality graphite through special process.

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Bearing is a kind of sliding parts commonly used in mechanical industry, and its material is different from metal, nonmetal and composite materials.

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The graphite vane produced by our company is developed by special technology and unique formula.

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High temperature resistance: the melting point of graphite is 2850 ± 50 ℃, and the boiling point is 4250 ℃.

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As an industrial technology widely used in the field of mold processing, EDM has always played an important role.

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